| spiro | type genus of the family Spirochaetaceae |
|---|---|
| spiro | large coarsely spiral bacteria |
| spiro | higher bacteria |
| spiro | parasitic or free-living bacteria |
| spiro | parasitic or free-living bacteria |
| spiro | minute aquatic herbs floating on the water surface consisting of a shiny leaflike frond and 2-21 roots |
| spiro | cosmopolitan except South America and New Zealand and some oceanic islands |
| spiro | a recording of breathing made with a spirograph |
| spiro | a measuring instrument for recording the depth and rapidity of breathing movements |
| spiro | freshwater algae consisting of minute filaments containing spiral chlorophyll bands |
| spiro | a measuring instrument for measuring the vital capacity of the lungs |
| spiro | the use of a spirometer to measure vital capacity |